Lampshade



FIG. 1 is front elevational view of our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is an top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is left side elevational view thereof; and,

FIG. 6 is a right side elevational view thereof. 

The ornamental design for a lampshade, as shown and described. 